Hi im looking to get a new card that will fit into an work with my rig i am on a budget an can only spend £100 or less i want to play bf3 im a million miles from top spec i know but with a new card ill be above minium requirements,overwhelmed with the choice can anyone give me a definate answer! On what you would put in if you was me 
Processor (CPU) Intel® Core2 Quad Q6600 (4 X 2.40GHz) 1066MHz FSB/8MB L2 Cache
Motherboard ASUS® P5N-E SLI: Quad-core CPU Ready, NVIDIA® Dual X8 SLI
Memory (RAM) 4GB CORSAIR XMS2 800MHz (4x1GB)
Graphics Card 512MB GEFORCE 8800GT PCI Express + DVI + TV-OUT
Memory - 160gb
RAID NONe
Power Supply 500W (Peak) Quiet Dual Rail PSU + 120mm Case Fan
Processor Cooling SUPER QUIET 19 dBA INTEL CPU COOLER
Firewire & Video Editing 2 x IEEE 1394a FIREWIRE PORTS (1 onboard, 1 at back panel)
Operating System WINDOWS®7 64bit
Processor (CPU) Intel® Core2 Quad Q6600 (4 X 2.40GHz) 1066MHz FSB/8MB L2 Cache
Motherboard ASUS® P5N-E SLI: Quad-core CPU Ready, NVIDIA® Dual X8 SLI
Memory (RAM) 4GB CORSAIR XMS2 800MHz (4x1GB)
Graphics Card 512MB GEFORCE 8800GT PCI Express + DVI + TV-OUT
Memory - 160gb
RAID NONe
Power Supply 500W (Peak) Quiet Dual Rail PSU + 120mm Case Fan
Processor Cooling SUPER QUIET 19 dBA INTEL CPU COOLER
Firewire & Video Editing 2 x IEEE 1394a FIREWIRE PORTS (1 onboard, 1 at back panel)
Operating System WINDOWS®7 64bit